788
Answer Key
269 . Domain: (−1, ∞), range: (−∞, ∞), x =−1
271 . 2+3log 3 a −log 3 b 273 . 3 2 + 1 2 log 5 x + 3 2 log 5 y 275 . − 3 2 +ln6 277 . ln15 3 279 . 3 2 281 . log7.21 283 . 2 3 + log11 3log7
285 . x = 1 25 287 . x =4 289 . x =3 291 . 1+ 5 293 . ⎛ ⎝ log82 log7
⎞ ⎠
≈2.2646
This OpenStax book is available for free at http://cnx.org/content/col11964/1.12
Made with FlippingBook - professional solution for displaying marketing and sales documents online